111020112019 has 2 divisors, whose sum is σ = 111020112020. Its totient is φ = 111020112018.

The previous prime is 111020112011. The next prime is 111020112037. The reversal of 111020112019 is 910211020111.

It is a weak prime.

It is an emirp because it is prime and its reverse (910211020111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111020112019 - 2³ = 111020112011 is a prime.

It is a super-2 number, since 2×111020112019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020111987 and 111020112005.

It is not a weakly prime, because it can be changed into another prime (111020112011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510056009 + 55510056010.

It is an arithmetic number, because the mean of its divisors is an integer number (55510056010).

Almost surely, 2^111020112019 is an apocalyptic number.

111020112019 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020112019 is an equidigital number, since it uses as much as digits as its factorization.

111020112019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 111020112019 in words is "one hundred eleven billion, twenty million, one hundred twelve thousand, nineteen".